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<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> *  Licensed to the Apache Software Foundation (ASF) under one</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *  or more contributor license agreements.  See the NOTICE file</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> *  distributed with this work for additional information</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> *  regarding copyright ownership.  The ASF licenses this file</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> *  to you under the Apache License, Version 2.0 (the</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *  "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *  with the License.  You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> *    <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> *  Unless required by applicable law or agreed to in writing,</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> *  software distributed under the License is distributed on an</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> *  KIND, either express or implied.  See the License for the</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <em class="jxr_comment"> *  specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="17" href="#17">17</a>  <em class="jxr_comment"> *  under the License.</em>
<a class="jxr_linenumber" name="18" href="#18">18</a>  <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="19" href="#19">19</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">package</strong> org.apache.directory.mavibot.btree;
<a class="jxr_linenumber" name="21" href="#21">21</a>  
<a class="jxr_linenumber" name="22" href="#22">22</a>  
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertEquals;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertTrue;
<a class="jxr_linenumber" name="25" href="#25">25</a>  
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> java.io.File;
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> java.io.IOException;
<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> java.util.Set;
<a class="jxr_linenumber" name="29" href="#29">29</a>  
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.io.FileUtils;
<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> org.apache.directory.mavibot.btree.BTree;
<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> org.apache.directory.mavibot.btree.RecordManager;
<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> org.apache.directory.mavibot.btree.Tuple;
<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> org.apache.directory.mavibot.btree.TupleCursor;
<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> org.apache.directory.mavibot.btree.exception.BTreeAlreadyManagedException;
<a class="jxr_linenumber" name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> org.apache.directory.mavibot.btree.serializer.LongSerializer;
<a class="jxr_linenumber" name="37" href="#37">37</a>  <strong class="jxr_keyword">import</strong> org.apache.directory.mavibot.btree.serializer.StringSerializer;
<a class="jxr_linenumber" name="38" href="#38">38</a>  <strong class="jxr_keyword">import</strong> org.junit.After;
<a class="jxr_linenumber" name="39" href="#39">39</a>  <strong class="jxr_keyword">import</strong> org.junit.Before;
<a class="jxr_linenumber" name="40" href="#40">40</a>  <strong class="jxr_keyword">import</strong> org.junit.Test;
<a class="jxr_linenumber" name="41" href="#41">41</a>  
<a class="jxr_linenumber" name="42" href="#42">42</a>  
<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> * test the RecordManager's free page management</em>
<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="mailto:dev@directory.apache.org" target="alexandria_uri">mailto:dev@directory.apache.org</a>"&gt;Apache Directory Project&lt;/a&gt;</em>
<a class="jxr_linenumber" name="47" href="#47">47</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="48" href="#48">48</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/directory/mavibot/btree/RecordManagerFreePageTest.html">RecordManagerFreePageTest</a>
<a class="jxr_linenumber" name="49" href="#49">49</a>  {
<a class="jxr_linenumber" name="50" href="#50">50</a>      <strong class="jxr_keyword">private</strong> BTree&lt;Long, String&gt; btree = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="51" href="#51">51</a>  
<a class="jxr_linenumber" name="52" href="#52">52</a>      <strong class="jxr_keyword">private</strong> RecordManager recordManager1 = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="53" href="#53">53</a>  
<a class="jxr_linenumber" name="54" href="#54">54</a>      <strong class="jxr_keyword">private</strong> File dataDir = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="55" href="#55">55</a>  
<a class="jxr_linenumber" name="56" href="#56">56</a>  
<a class="jxr_linenumber" name="57" href="#57">57</a>      @Before
<a class="jxr_linenumber" name="58" href="#58">58</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> createBTree() <strong class="jxr_keyword">throws</strong> IOException
<a class="jxr_linenumber" name="59" href="#59">59</a>      {
<a class="jxr_linenumber" name="60" href="#60">60</a>          dataDir = <strong class="jxr_keyword">new</strong> File( System.getProperty( <span class="jxr_string">"java.io.tmpdir"</span> ) + <span class="jxr_string">"/recordman"</span> );
<a class="jxr_linenumber" name="61" href="#61">61</a>  
<a class="jxr_linenumber" name="62" href="#62">62</a>          <strong class="jxr_keyword">if</strong> ( dataDir.exists() )
<a class="jxr_linenumber" name="63" href="#63">63</a>          {
<a class="jxr_linenumber" name="64" href="#64">64</a>              FileUtils.deleteDirectory( dataDir );
<a class="jxr_linenumber" name="65" href="#65">65</a>          }
<a class="jxr_linenumber" name="66" href="#66">66</a>  
<a class="jxr_linenumber" name="67" href="#67">67</a>          dataDir.mkdirs();
<a class="jxr_linenumber" name="68" href="#68">68</a>  
<a class="jxr_linenumber" name="69" href="#69">69</a>          openRecordManagerAndBtree();
<a class="jxr_linenumber" name="70" href="#70">70</a>  
<a class="jxr_linenumber" name="71" href="#71">71</a>          <strong class="jxr_keyword">try</strong>
<a class="jxr_linenumber" name="72" href="#72">72</a>          {
<a class="jxr_linenumber" name="73" href="#73">73</a>              <em class="jxr_comment">// Create a new BTree</em>
<a class="jxr_linenumber" name="74" href="#74">74</a>              btree = recordManager1.addBTree( <span class="jxr_string">"test"</span>, <strong class="jxr_keyword">new</strong> LongSerializer(), <strong class="jxr_keyword">new</strong> StringSerializer(), false );
<a class="jxr_linenumber" name="75" href="#75">75</a>          }
<a class="jxr_linenumber" name="76" href="#76">76</a>          <strong class="jxr_keyword">catch</strong> ( Exception e )
<a class="jxr_linenumber" name="77" href="#77">77</a>          {
<a class="jxr_linenumber" name="78" href="#78">78</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> RuntimeException( e );
<a class="jxr_linenumber" name="79" href="#79">79</a>          }
<a class="jxr_linenumber" name="80" href="#80">80</a>      }
<a class="jxr_linenumber" name="81" href="#81">81</a>  
<a class="jxr_linenumber" name="82" href="#82">82</a>  
<a class="jxr_linenumber" name="83" href="#83">83</a>      @After
<a class="jxr_linenumber" name="84" href="#84">84</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> cleanup() <strong class="jxr_keyword">throws</strong> IOException
<a class="jxr_linenumber" name="85" href="#85">85</a>      {
<a class="jxr_linenumber" name="86" href="#86">86</a>          dataDir = <strong class="jxr_keyword">new</strong> File( System.getProperty( <span class="jxr_string">"java.io.tmpdir"</span> ) + <span class="jxr_string">"/recordman"</span> );
<a class="jxr_linenumber" name="87" href="#87">87</a>  
<a class="jxr_linenumber" name="88" href="#88">88</a>          btree.close();
<a class="jxr_linenumber" name="89" href="#89">89</a>  
<a class="jxr_linenumber" name="90" href="#90">90</a>          <strong class="jxr_keyword">if</strong> ( dataDir.exists() )
<a class="jxr_linenumber" name="91" href="#91">91</a>          {
<a class="jxr_linenumber" name="92" href="#92">92</a>              FileUtils.deleteDirectory( dataDir );
<a class="jxr_linenumber" name="93" href="#93">93</a>          }
<a class="jxr_linenumber" name="94" href="#94">94</a>  
<a class="jxr_linenumber" name="95" href="#95">95</a>          recordManager1.close();
<a class="jxr_linenumber" name="96" href="#96">96</a>      }
<a class="jxr_linenumber" name="97" href="#97">97</a>  
<a class="jxr_linenumber" name="98" href="#98">98</a>  
<a class="jxr_linenumber" name="99" href="#99">99</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> openRecordManagerAndBtree()
<a class="jxr_linenumber" name="100" href="#100">100</a>     {
<a class="jxr_linenumber" name="101" href="#101">101</a>         <strong class="jxr_keyword">try</strong>
<a class="jxr_linenumber" name="102" href="#102">102</a>         {
<a class="jxr_linenumber" name="103" href="#103">103</a>             <strong class="jxr_keyword">if</strong> ( recordManager1 != <strong class="jxr_keyword">null</strong> )
<a class="jxr_linenumber" name="104" href="#104">104</a>             {
<a class="jxr_linenumber" name="105" href="#105">105</a>                 recordManager1.close();
<a class="jxr_linenumber" name="106" href="#106">106</a>             }
<a class="jxr_linenumber" name="107" href="#107">107</a> 
<a class="jxr_linenumber" name="108" href="#108">108</a>             <em class="jxr_comment">// Now, try to reload the file back</em>
<a class="jxr_linenumber" name="109" href="#109">109</a>             recordManager1 = <strong class="jxr_keyword">new</strong> RecordManager( dataDir.getAbsolutePath() );
<a class="jxr_linenumber" name="110" href="#110">110</a> 
<a class="jxr_linenumber" name="111" href="#111">111</a>             <em class="jxr_comment">// load the last created btree</em>
<a class="jxr_linenumber" name="112" href="#112">112</a>             <strong class="jxr_keyword">if</strong> ( btree != <strong class="jxr_keyword">null</strong> )
<a class="jxr_linenumber" name="113" href="#113">113</a>             {
<a class="jxr_linenumber" name="114" href="#114">114</a>                 btree = recordManager1.getManagedTree( btree.getName() );
<a class="jxr_linenumber" name="115" href="#115">115</a>             }
<a class="jxr_linenumber" name="116" href="#116">116</a>         }
<a class="jxr_linenumber" name="117" href="#117">117</a>         <strong class="jxr_keyword">catch</strong> ( Exception e )
<a class="jxr_linenumber" name="118" href="#118">118</a>         {
<a class="jxr_linenumber" name="119" href="#119">119</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> RuntimeException( e );
<a class="jxr_linenumber" name="120" href="#120">120</a>         }
<a class="jxr_linenumber" name="121" href="#121">121</a>     }
<a class="jxr_linenumber" name="122" href="#122">122</a> 
<a class="jxr_linenumber" name="123" href="#123">123</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> nbElems = 100000;
<a class="jxr_linenumber" name="124" href="#124">124</a> 
<a class="jxr_linenumber" name="125" href="#125">125</a> 
<a class="jxr_linenumber" name="126" href="#126">126</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="127" href="#127">127</a> <em class="jxr_javadoccomment">     * Test the creation of a RecordManager, and that we can read it back.  </em>
<a class="jxr_linenumber" name="128" href="#128">128</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="129" href="#129">129</a>     @Test
<a class="jxr_linenumber" name="130" href="#130">130</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testRecordManager() <strong class="jxr_keyword">throws</strong> IOException, BTreeAlreadyManagedException
<a class="jxr_linenumber" name="131" href="#131">131</a>     {
<a class="jxr_linenumber" name="132" href="#132">132</a>         assertEquals( 1, recordManager1.getNbManagedTrees() );
<a class="jxr_linenumber" name="133" href="#133">133</a> 
<a class="jxr_linenumber" name="134" href="#134">134</a>         Set&lt;String&gt; managedBTrees = recordManager1.getManagedTrees();
<a class="jxr_linenumber" name="135" href="#135">135</a> 
<a class="jxr_linenumber" name="136" href="#136">136</a>         assertEquals( 1, managedBTrees.size() );
<a class="jxr_linenumber" name="137" href="#137">137</a>         assertTrue( managedBTrees.contains( <span class="jxr_string">"test"</span> ) );
<a class="jxr_linenumber" name="138" href="#138">138</a> 
<a class="jxr_linenumber" name="139" href="#139">139</a>         <strong class="jxr_keyword">int</strong> nbError = 0;
<a class="jxr_linenumber" name="140" href="#140">140</a> 
<a class="jxr_linenumber" name="141" href="#141">141</a>         <strong class="jxr_keyword">long</strong> l1 = System.currentTimeMillis();
<a class="jxr_linenumber" name="142" href="#142">142</a>         <strong class="jxr_keyword">int</strong> n = 0;
<a class="jxr_linenumber" name="143" href="#143">143</a>         <strong class="jxr_keyword">long</strong> delta = l1;
<a class="jxr_linenumber" name="144" href="#144">144</a> 
<a class="jxr_linenumber" name="145" href="#145">145</a>         <strong class="jxr_keyword">for</strong> ( <strong class="jxr_keyword">int</strong> i = 0; i &lt; nbElems; i++ )
<a class="jxr_linenumber" name="146" href="#146">146</a>         {
<a class="jxr_linenumber" name="147" href="#147">147</a>             Long key = ( <strong class="jxr_keyword">long</strong> ) i;
<a class="jxr_linenumber" name="148" href="#148">148</a>             String value = Long.toString( key );
<a class="jxr_linenumber" name="149" href="#149">149</a> 
<a class="jxr_linenumber" name="150" href="#150">150</a>             btree.insert( key, value );
<a class="jxr_linenumber" name="151" href="#151">151</a> 
<a class="jxr_linenumber" name="152" href="#152">152</a>             <strong class="jxr_keyword">if</strong> ( i % 10000 == 0 )
<a class="jxr_linenumber" name="153" href="#153">153</a>             {
<a class="jxr_linenumber" name="154" href="#154">154</a>                 <strong class="jxr_keyword">if</strong> ( n &gt; 0 )
<a class="jxr_linenumber" name="155" href="#155">155</a>                 {
<a class="jxr_linenumber" name="156" href="#156">156</a>                     <strong class="jxr_keyword">long</strong> t0 = System.currentTimeMillis();
<a class="jxr_linenumber" name="157" href="#157">157</a>                     System.out.println( <span class="jxr_string">"Written "</span> + i + <span class="jxr_string">" elements in : "</span> + ( t0 - delta ) + <span class="jxr_string">"ms"</span> );
<a class="jxr_linenumber" name="158" href="#158">158</a>                     delta = t0;
<a class="jxr_linenumber" name="159" href="#159">159</a>                 }
<a class="jxr_linenumber" name="160" href="#160">160</a> 
<a class="jxr_linenumber" name="161" href="#161">161</a>                 n++;
<a class="jxr_linenumber" name="162" href="#162">162</a>             }
<a class="jxr_linenumber" name="163" href="#163">163</a>         }
<a class="jxr_linenumber" name="164" href="#164">164</a> 
<a class="jxr_linenumber" name="165" href="#165">165</a>         <strong class="jxr_keyword">long</strong> l2 = System.currentTimeMillis();
<a class="jxr_linenumber" name="166" href="#166">166</a> 
<a class="jxr_linenumber" name="167" href="#167">167</a>         System.out.println( <span class="jxr_string">"Delta : "</span> + ( l2 - l1 ) + <span class="jxr_string">", nbError = "</span> + nbError
<a class="jxr_linenumber" name="168" href="#168">168</a>             + <span class="jxr_string">", Nb insertion per second : "</span> + ( ( nbElems ) / ( l2 - l1 ) ) * 1000 );
<a class="jxr_linenumber" name="169" href="#169">169</a> 
<a class="jxr_linenumber" name="170" href="#170">170</a>         <strong class="jxr_keyword">long</strong> length = <strong class="jxr_keyword">new</strong> File( dataDir, <span class="jxr_string">"mavibot.db"</span> ).length();
<a class="jxr_linenumber" name="171" href="#171">171</a>         String units = <span class="jxr_string">"MB"</span>;
<a class="jxr_linenumber" name="172" href="#172">172</a> 
<a class="jxr_linenumber" name="173" href="#173">173</a>         <strong class="jxr_keyword">long</strong> size = length / ( 1024 * 1024 );
<a class="jxr_linenumber" name="174" href="#174">174</a> 
<a class="jxr_linenumber" name="175" href="#175">175</a>         <strong class="jxr_keyword">if</strong> ( size == 0 )
<a class="jxr_linenumber" name="176" href="#176">176</a>         {
<a class="jxr_linenumber" name="177" href="#177">177</a>             size = length / 1024;
<a class="jxr_linenumber" name="178" href="#178">178</a>             units = <span class="jxr_string">"KB"</span>;
<a class="jxr_linenumber" name="179" href="#179">179</a>         }
<a class="jxr_linenumber" name="180" href="#180">180</a> 
<a class="jxr_linenumber" name="181" href="#181">181</a>         System.out.println( size + units );
<a class="jxr_linenumber" name="182" href="#182">182</a> 
<a class="jxr_linenumber" name="183" href="#183">183</a>         openRecordManagerAndBtree();
<a class="jxr_linenumber" name="184" href="#184">184</a> 
<a class="jxr_linenumber" name="185" href="#185">185</a>         assertEquals( 1, recordManager1.getNbManagedTrees() );
<a class="jxr_linenumber" name="186" href="#186">186</a> 
<a class="jxr_linenumber" name="187" href="#187">187</a>         assertTrue( nbElems == btree.getNbElems() );
<a class="jxr_linenumber" name="188" href="#188">188</a> 
<a class="jxr_linenumber" name="189" href="#189">189</a>         TupleCursor&lt;Long, String&gt; cursor = btree.browse();
<a class="jxr_linenumber" name="190" href="#190">190</a> 
<a class="jxr_linenumber" name="191" href="#191">191</a>         <strong class="jxr_keyword">long</strong> i = 0;
<a class="jxr_linenumber" name="192" href="#192">192</a> 
<a class="jxr_linenumber" name="193" href="#193">193</a>         <strong class="jxr_keyword">while</strong> ( cursor.hasNext() )
<a class="jxr_linenumber" name="194" href="#194">194</a>         {
<a class="jxr_linenumber" name="195" href="#195">195</a>             Tuple&lt;Long, String&gt; t = cursor.next();
<a class="jxr_linenumber" name="196" href="#196">196</a>             assertEquals( ( Long ) i, t.getKey() );
<a class="jxr_linenumber" name="197" href="#197">197</a>             assertEquals( String.valueOf( i ), t.getValue() );
<a class="jxr_linenumber" name="198" href="#198">198</a>             i++;
<a class="jxr_linenumber" name="199" href="#199">199</a>         }
<a class="jxr_linenumber" name="200" href="#200">200</a> 
<a class="jxr_linenumber" name="201" href="#201">201</a>         cursor.close();
<a class="jxr_linenumber" name="202" href="#202">202</a> 
<a class="jxr_linenumber" name="203" href="#203">203</a>         assertEquals( nbElems, i );
<a class="jxr_linenumber" name="204" href="#204">204</a>     }
<a class="jxr_linenumber" name="205" href="#205">205</a> }
</pre>
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